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- ISO 5149-4:2022 EN 4b39a3a6
【国际标准】 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery
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2024-05-11
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标准简介适用范围：
暂无
标准号：
ISO 5149-4:2022 EN
标准名称：
Refrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery
英文名称：
Refrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery标准状态：
现行-
发布日期：
2022-11-22 -
实施日期：
出版语种：
EN
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- 国家标准计划
- ISO 5149-4:2022 EN 4b39a3a6 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery
- ISO 21922:2021 EN cc43326c Refrigerating systems and heat pumps — Valves — Requirements, testing and marking
- ISO 5149-3:2014/Amd 1:2021 EN 027fb1c3 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation site — Amendment 1: Update of the requirements for machinery rooms and emergency mechanical ventilation
- ISO 5149-1:2014/Amd 2:2021 EN c078ece4 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteria — Amendment 2: Update of Annex A and the refrigerant tables
- ISO 5149-2:2014/Amd 1:2020 EN 0f72cca6 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentation — Amendment 1
- ISO 14903:2017 EN 16d9fc89 Refrigerating systems and heat pumps — Qualification of tightness of components and joints
- ISO 5149-1:2014/Amd 1:2015 EN 409ee37f Refrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteria — Amendment 1: Correction of QLAV, QLMV
- ISO 5149-4:2014 EN f8749aef Refrigerating systems and heat pumps — Safety and environmental requirements — Part 4: Operation, maintenance, repair and recovery
- ISO 5149-3:2014 EN 864ed765 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation site
- ISO 5149-1:2014 EN 54c0edcf Refrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteria
- ISO 5149-2:2014 EN dc178394 Refrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentation
- ISO 14903:2012 EN 6ef37311 Refrigerating systems and heat pumps — Qualification of tightness of components and joints
- ISO 13971:2012 EN 8c48ceb8 Refrigeration systems and heat pumps — Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes — Requirements and classification
